nginx documentation
(nginx.org)
referencerequest processing, server names, HTTPS setup, HTTP load balancing and full module reference
NGINX Unit: Universal web app server
(unit.nginx.org)
toolpolyglot app server with runtime JSON config, TLS and routing; maintainers ship no new features
HAProxy - The Reliable, High Perf. TCP/HTTP Load Balancer
(haproxy.org)
toolfree TCP and HTTP reverse proxy for load balancing very high traffic, several branches maintained
Envoy proxy - documentation
(envoyproxy.io)
referenceper-version documentation index for the CNCF L7 proxy, stable through archived releases
squid : Optimising Web Delivery
(squid-cache.org)
toolGPL caching forward proxy for HTTP/HTTPS/FTP with access controls and cache hierarchies
Cloudflare Tunnel
(Cloudflare Docs)
referencecloudflared outbound-only tunnels exposing HTTP, SSH and RDP origins with no public IP; free tier available
Varnish Cache
(Varnish Cache)
toolIn-memory HTTP accelerator with VCL policy language and in-process TLS, open source
Caddy - The Ultimate Server with Automatic HTTPS
(Caddy Web Server)
referenceGo server configured by Caddyfile or JSON API, no runtime deps; getting-started and quick starts
Traefik Proxy Documentation - Traefik
(doc.traefik.io)
referenceContainer-aware routing: discovers Docker and Kubernetes backends automatically, no restarts, TLS included
Nginx Proxy Manager
(nginxproxymanager.com)
toolWeb UI over nginx for proxy hosts, access lists and self-renewing Let's Encrypt certificates
Authelia
(Authelia)
toolOpenID Certified SSO and multi-factor portal that reverse proxies delegate login to; ~20MB Go binary